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The rotation constant for H2 is 60.80 cm-1 the harmonic frequency is 4395.3 cm-1 and the anharmonicity constant is 117.90 cm-1. calculate the frequency at which the Q branch first overtone will be found.
Wpump = 1500 kJ/h = 0.42 kW Qboil = 2.59 x 106 kJ/h = 718.7 kW Wturb = -227,300 kJ/h = -63.1 kW Qcond = -2.36 x 106 kJ/h = -656 kW What is the efficiency of the engine? How should we define it?
An aqueous solution is 35 % by mass methylamine (CH3NH2) and has a density of 0.85 g/cm3. What is the pH of the resulting solution if 50 mL of this solution is diluted
The Ni2 extracted from the column was treated witn 25.00 mL of 0.05804 M EDTA. How many milliliters of 0.02282 M Zn2 is required for the back titration of the Ni2 solution?
A 0.00445 mol sample of a weak acid, HY, is dissolved in enough water to form 0.0976 L of solution. If the pH of the solution is 4.02, what is the Ka of HY? Use E notation with 3 significant figures.
what can we conclude about the energy required to excite an electron from n=5 to n=6 versus the energy required to excite an electron from n=4 to 5.
A sample of chlorine gas at a pressure of 420 mm Hg and in a volume of 3.50 L was heated from 18.0oC to 45.0oC after being transferred to a container of volume 2.35 L. The pressure in this new container should be about
Which one of the following compounds will be most soluble in water?
What will the percentage of mercury (I) ions remaining in solution be?
the following findings, express to the nearest atomic mass unit, in agreement with Dalton's atomic theory? expalin your answer.
The solubility of calcium sulfate is 0.67 g/L. Show the calculation of the Ksp for calcium sulfate (all steps including chemical equilibria must be correct for full credit)
the temperature of the surrounding remains essentially constant during the process. Calculate deltaSsystem, deltaSsurroundings and deltaStotal.
Ammonia has a melting point of 195 K and a normal boiling point of 240 K. At 225 K and 1atm, ammonia exists primarily as
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